JKL Enterprises is considering a project with the following expected cash flows:

Year	Cash Flow (Rs.)
0	-1,80,000
1	50,000
2	60,000
3	70,000
4	55,000
5	50,000

• Depreciation: 12% on original cost
• Tax rate: 25%

Required:

1. Calculate Payback Period (PBP) and ARR.
2. Compute NPV and NPV Index with a 7% discount rate.
3. Calculate IRR.
4. Determine the profitability index.